Penumatic H19 11 Degree Dth Drill Rods And Bits For Tunneling
H22 11 degreedrill rod for mining tunneling Hexagonal Drill Rod
Specification:
Rod Length:500~6400mm
Shank length: 22*108mm, 25*108mm
Advantages:
The tapered drill rod can be matched with multiple drill bits to drill blast holes with different diameters.
The tapered drill rod also has the advantages of no need of scrapping after abrasion of drill bits, simple maintenance, low price, low cost of drilling each meter, etc.
Prodcut information:
Tapered Drill rod is also called the Hexagonal Drill Rod.The rod is used for rock drilling, blasting holes, and drilling works in the quarries, metallic mines, tunneling and constructions.
The tapered drill rods are used for Pneumatic rock drill and Hydraulic rock drill.Medium hard to hard and abrasive rock formations. Like YT24, YT27, YT28, YT29A and YN27C rock drilling.
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